DirectoryIterator::rewind
(PHP 5, PHP 7, PHP 8)
DirectoryIterator::rewind — Rewind the DirectoryIterator back to the start
参数
此函数没有参数。
返回值
没有返回值。
示例
示例 #1 DirectoryIterator::rewind() example
<?php
$iterator = new DirectoryIterator(dirname(__FILE__));
$iterator->next();
echo $iterator->key(); //1
$iterator->rewind(); //rewinding to the beginning
echo $iterator->key(); //0
?>参见
- DirectoryIterator::current() - Return the current DirectoryIterator item
- DirectoryIterator::key() - Return the key for the current DirectoryIterator item
- DirectoryIterator::next() - Move forward to next DirectoryIterator item
- DirectoryIterator::valid() - Check whether current DirectoryIterator position is a valid file
- Iterator::rewind() - 返回到迭代器的第一个元素
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